RE: stress relieving

The line got wasted externally because it was attached to a support creating a crevice corrosion.
Pipe is carbon steel API 5L, 10" diameter used for process gas, pressure 260 psig and temp = 90 c.
The affected area is 1" X 1"

Regards,
Ali

> -----Original Message-----
> From: Teli, Shashikant [SMTP:Shashikant.Teli@jacobs.com]
> Sent: Thursday, November 13, 2003 12:22 PM
> To: <a href="/group/PipingDesign/post?postID=pVGYzN7qrb45XTBThuoW4SvMSJ-OxzFv8Rrewpc9K_1tRw_GSGzgh87743d92mkmQ-SrhkoTNuw3Ek57_MiDR0-iVTIg">PipingDesign@yahoogroups.com</a>
> Subject: RE: [PipingDesign] stress relieving
>
> Dear Ali,
> Can you please add more info,
> What is material & size. Can you please explain what is 'The area is
> 1" x 1"'
> Thanks,
> Shashikant Teli.
>
> -----Original Message-----
> From: <a href="/group/PipingDesign/post?postID=RYuBclKDsmy6jU5_K9KNMnxkN9RTq-j5bNL6AO5mBi_URqpuXpiVTeWk6mUEbiMJNBkSEJejrA">LIEZWSC@adma.ae</a> [mailto:<a href="/group/PipingDesign/post?postID=RYuBclKDsmy6jU5_K9KNMnxkN9RTq-j5bNL6AO5mBi_URqpuXpiVTeWk6mUEbiMJNBkSEJejrA">LIEZWSC@adma.ae</a>]
> Sent: Thursday, November 13, 2003 1:35 PM
> To: <a href="/group/PipingDesign/post?postID=pVGYzN7qrb45XTBThuoW4SvMSJ-OxzFv8Rrewpc9K_1tRw_GSGzgh87743d92mkmQ-SrhkoTNuw3Ek57_MiDR0-iVTIg">PipingDesign@yahoogroups.com</a>
> Subject: [PipingDesign] stress relieving
>
>
> Hi,
>
> We have a reduction of wall thickness for a pipe which originally is 10 mm
> and now is shows 3 mm, the pressure is 300 psig.
> The area is 1"X1", the line is stress relieved while installation. Now
> they
> will make a weld repair (weld build up). the question does is require
> stress
> relieving after this repair ?
>
> Regards,
> Ali
>
>
>
>
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Received on Thu Nov 13 04:31:00 2003